Batch experiment (pH: 7.99 - 8.35)

Surface water sediments

Water

233.44

(Liao et al., 2021)

Pore water sediments

168.85

Batch experiment (pH: 7.22 - 8.56)

sediment

Water

240,000 - 7,000,000

(Liu et al., 2019)

Batch adsorption test (solid-solution ratio: 0.2:20; pH:8; contact time: 2 h; 25 C)

calcareous soil (single metal systems)

Water

1841.1

(Mahzari et al., 2013)

calcareous soil (binary metal systems: Pb-Cu)

1652.9

calcareous soil (binary metal systems: Pb-Mn)

1702.4

diffusive gradient in thin-film (DGT) technique

Planted soils (10 g/kg sewage sludge)

Water

738.8 - 414.5

(Mohseni et al., 2020)

Planted soils (30 g/kg sewage sludge)

539.5 - 1413.8

Batch desorption method (solid-solution ratio: 3:30; alkaline (pH 7.87), acidic (pH 4.95); contact time: 24 h; 20 C)

Amended Alfisol1

Water

164.7 - 79.1

50 - 300 mg/L

(Shaheen et al., 2018)

Amended Alfisol2

718.1 - 218.6

Amended Alfisol3

2663.9 - 3913.5

Amended Entisol1

47.7 - 12.9

Amended Entisol2

80.5 - 34.4

Amended Entisol3

493.3 - 21.8

Batch equilibrium adsorption experiment (solid-solution ratio: 2:20; pH: 6.5; contact time: 24 h)

Topsoil

De-ionized water

121 - 7020

(Soares et al., 2021)

Batch equilibrium adsorption experiment (solid-solution ratio: 2:50; contact time: 24 h)

Acidic soil (pH: 4 - 7)

Water

2140 - 63,100

0.05 - 10 meq/L

(Venegas et al., 2015)

Treated soil

35 - 91,000

Batch method

profile soil

104 - 106

(Yuan et al., 2017)

Batch method

lacustrine sediment

49.939 - 179.044

(Yuan et al., 2020)

Batch method

Sediment (Jan. 2014)

Deionized water

5.32 - 5.95

(Zhang et al., 2018)

Sediment (Jan. 2014)

5.02 - 5.59